Performance analysis of successive interference cancellation scheme for optical CDMA using modified prime sequence codes

Tawfig Eltaif; Hossam M. H. Shalaby; Sahbudin Shaari; Mohammad M. N. Hamarsheh

doi:10.1117/12.755327

4 January 2008 Performance analysis of successive interference cancellation scheme for optical CDMA using modified prime sequence codes

Tawfig Eltaif, Hossam M. H. Shalaby, Sahbudin Shaari, Mohammad M. N. Hamarsheh

Author Affiliations +

Proceedings Volume 6837, Information Optics and Photonics Technologies II; 68370Y (2008) https://doi.org/10.1117/12.755327
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

In this paper, we propose a new technique in direct sequence code division multiple access system using on-off key and modified prime sequence code, the scheme of this technique dubbed successive interference cancellation (SIC). The basic principle of SIC scheme is to subtract the strongest received signals from the original signal one by one till all users have been detected, and demodulated. In this analysis we take in account the possibilities of errors in previous cancellation. It has been shown that the proposal IC scheme with (-20dBm) effective power can suppress multiple-access interference (MAI), and improve the system performance significantly.

Citation Download Citation

Tawfig Eltaif, Hossam M. H. Shalaby, Sahbudin Shaari, and Mohammad M. N. Hamarsheh "Performance analysis of successive interference cancellation scheme for optical CDMA using modified prime sequence codes", Proc. SPIE 6837, Information Optics and Photonics Technologies II, 68370Y (4 January 2008); https://doi.org/10.1117/12.755327

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